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Java > Open Source Codes > org > jboss > axis > transport > http > ChunkedOutputStream


1 /*
2  * The Apache Software License, Version 1.1
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4  *
5  * Copyright (c) 2001-2003 The Apache Software Foundation. All rights
6  * reserved.
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9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
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20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Axis" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
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32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
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36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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51  * individuals on behalf of the Apache Software Foundation. For more
52  * information on the Apache Software Foundation, please see
53  * <http://www.apache.org/>.
54  */

55 package org.jboss.axis.transport.http;
56
57
58 import java.io.FilterOutputStream JavaDoc;
59 import java.io.IOException JavaDoc;
60 import java.io.OutputStream JavaDoc;
61
62
63 /**
64  * @author Rick Rineholt
65  */

66 public class ChunkedOutputStream extends FilterOutputStream JavaDoc
67 {
68
69    boolean eos = false;
70
71    private ChunkedOutputStream()
72    {
73       super(null);
74    }
75
76    public ChunkedOutputStream(OutputStream JavaDoc os)
77    {
78       super(os);
79    }
80
81    public void write(int b)
82            throws IOException JavaDoc
83    {
84       write(new byte[]{(byte)b}, 0, 1);
85    }
86
87    public void write(byte[] b)
88
89            throws IOException JavaDoc
90    {
91       write(b, 0, b.length);
92    }
93
94    static final byte[] crlf = "\r\n".getBytes();
95
96    public void write(byte[] b,
97                      int off,
98                      int len)
99            throws IOException JavaDoc
100    {
101       if (len == 0) return;
102
103       out.write((Integer.toHexString(len)).getBytes());
104       out.write(crlf);
105       out.write(b, off, len);
106       out.write(crlf);
107    }
108
109    /*
110     public void flush()
111     throws IOException {
112     out.flush();
113     }
114     */

115
116    public void eos() throws IOException JavaDoc
117    {
118       synchronized (this)
119       {
120          if (eos) return;
121          eos = true;
122       }
123       out.write("0\r\n\r\n".getBytes());
124       out.flush();
125    }
126
127    public void close()
128            throws IOException JavaDoc
129    {
130       eos();
131       out.close();
132    }
133
134 }
135
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